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Macchanger is simple utility to view, modify, and manipulate MAC addresses for your Network interface cards. Therefore, you are advised not to configure static multicast MAC addresses when the switch is running IGMP snooping. Method 1: Change MAC address using Macchanger. If 01-00-5E-00-00-12 is configured as a static multicast MAC address, VRRP protocol packets cannot be forwarded normally. For example, the VRRP protocol uses a permanent IPv4 multicast address 224.0.0.18, which is mapped to multicast MAC address 01-00-5E-00-00-12. The ip neighbour command can only retrieve MAC addresses of computers in our local network. The second IP address is of a host in our LAN that we’ve previously pinged. When a static multicast MAC address is configured, a conflict may occur, causing data forwarding errors. The first IP is the gateway node and we can verify this by running ip route: ip route default via 172.16.187.2 dev ens160 proto static metric 100. MAC address based Layer 2 multicast forwardingĪ conflict occurs in the following situation: If IGMP snooping is enabled and Layer 2 multicast forwarding mode is set to MAC address based mode, the switch generates IPv4 multicast MAC address entries with MAC addresses starting with 0x0100-5e. IP address based Layer 2 multicast forwarding
Layer 3 multicast or both Layer 2 and Layer 3 multicast configured 1 You would have to add this to your /etc/systemd/network/work file: Neighbor Address![Instal the new for ios MP3Studio YouTube Downloader 2.0.23](https://cdn2.cdnme.se/5447227/9-3/16_64e61dfc9606ee7f98e9879e.png)